Headphones



FIG. 1 is a perspective view of a headset showing our new design;

FIG. 2 is front elevational view thereof, the rear view being a mirror image;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof; and,

FIG. 6 is a left side elevational view thereof.

The broken lines shown in the Figures are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for headphones, as shown and described. 